A efficient routing protocol based on optimized cluster head election in wireless sensor network

Reducing energy consumption and prolonging the network lifetime are the important issues of routing protocol for wireless sensor network. The paper presents an improved algorithm of optimized cluster head election for the randomness of cluster head election and uneven energy distribution in LEACH (Low Energy Adaptive Clustering Hierarchy). In consideration of the location of nodes, residual energy, the number of elected cluster head and other factors as well as by LEACH analysis, the cluster head is reasonably selected. Simulation results show that the performance of IM-LEACH is better in terms of energy consumption, number of packets received and network lifetime compared with LEACH and DEEC.